2021 HONDA ODYSSEY dead battery

Contents
Child Safety P. 67Exhaust Gas Hazard P. 85Safety Labels P. 86
Tailgate P. 171 Sliding Doors P. 182
Moonroof* P. 197 Operating the Switches Around the Steering Wheel P. 198
Interior Convenience Items P. 239 Climate Control Syst em P. 263, 268
Audio Error Messages P. 382 General Information on the Audio System P. 387
Customized Features P. 459, 465 HomeLink ® Universal Transceiver* P. 484 Bluetooth ® HandsFreeLink ® P. 487, 512
When Driving P. 552 Honda Sensing® P. 588 Braking P. 640
Refueling P. 661 Fuel Economy and CO
2 Emissions P. 664
Maintenance Under the Hood P. 675 Replacing Light Bulbs P. 688
Checking and Maintaining Tires P. 699 Battery P. 708 Remote Transmitter Care P. 710
Climate Control System Maintenance P. 713 Clea ning P. 714 Accessories and Modifications P. 720
Engine Does Not Start P. 734If the Battery Is Dead P. 737Overheating P. 739
Emergency Towing P. 754 If You Cannot Unlock the Fuel Fill Door P. 755
When You Cannot Close the Power Sliding Doors
* P. 758 Refueling P. 759
Devices that Emit Radio Waves P. 765 Reporting Safety Defects P. 766 Emissions Testing P. 767
Customer Service Information P. 773
Quick Reference GuideP. 6
Safe DrivingP. 35
Instrument PanelP. 87
ControlsP. 153
FeaturesP. 275
DrivingP. 539
MaintenanceP. 665
Handling the UnexpectedP. 723
InformationP. 761
IndexP. 774
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Quick Reference Guide
31
Handling the Unexpected (P723)
Flat Tire (P725)
●Park in a safe location and replace the
flat tire with the compact spare tire under
the floor between the front seats and the
second row seats.
Indicators Come On
(P 741)
●Identify the indicator and consult the
owner’s manual.
Engine Won’t Start (P734)
●If the battery is dead, jump start using a
booster battery.
Blown Fuse (P747)
●Check for a blown fuse if an electrical
device does not operate.
Overheating (P739)
●Park in a safe location. If you do not see
steam under the hood, open the hood,
and let the engine cool down.
Emergency Towing (P754)
●Call a professional towing service if you
need to tow your vehicle.
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uuLocking and Unlocking the Doors uLocking/Unlocking the Doors from the Outside
164
Controls
■Unlocking the doors and tailgate
Press the unlock button.
Once: u Some exterior lights flash twice, and the driver’s door and fuel fill door unlocks.
Twice: u The remaining doors and the tailgate unlock.
If the lock or unlock button of the remote does not work, use the key instead. Fully insert the key and turn it.
■Locking/Unlocking the Doors Using a Key
1Using the Remote Transmitter
If the distance at which the remote transmitter works
varies, the batter y is probably low.
If the LED does not come on when you press a
button, the battery is dead. 2 Replacing the Button Battery P. 710
You can customize the door unlock mode setting. 2 Vehicle Customization P. 143
2 Customized Features P. 465
Models with color audio system
Models with Display Audio
1Locking/Unlocking the Doors Using a Key
When you lock the driver’s door with a key, all of the
other doors, tailgate, and fu el fill door lock at the
same time. When unlock ing, the driver’s door
unlocks first. Turn the key a second time within a few
seconds to unlock the remaining doors and the
tailgate.
You can customize the door unlock mode setting.
2 Vehicle Customization P. 143
2 Customized Features P. 465
Models with color audio system
Models with Display Audio
LockUnlock
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uuSecurity System uSecurity System Alarm
192
Controls
■To deactivate the security system alarm
Unlock the vehicle using remote transmitter or smart entry system*, or set the power
mode to ON. The system, along with the horn and flashing lights, is deactivated.
■Setting the security system alarm
The security system alarm automatically sets when the following conditions have
been met:
• The power mode is set to VEHICLE OFF.
• The hood is closed.
• All doors and the tailgate are locked from outside with the key, remote
transmitter or smart entry system
*.
■When the security system alarm sets
The security system alarm indicator in the instrument panel blinks. When the
blinking interval changes after about 15 seconds, the security system alarm is set.
■To cancel the security system alarm
The security system alarm is canceled when the vehicle is unlocked using the remote
transmitter, or smart entry system
*, or when the power mode is set to ON. The
security system alarm indicator goes off at the same time.
1 Security System Alarm
Do not set the security system alarm when someone
is in the vehicle or a window is open. The system can
accidentally activate when:
•Unlocking the door with the lock tab.•Opening the hood with the hood release.
•Opening the tailgate with the power tailgate
button on the dashboard.
If the battery goes dead after you have set the
security system alarm, the security alarm may activate
once the battery is re charged or replaced.
If this occurs, deactivate the security system alarm by
unlocking a door using the remote transmitter or
smart entry system
*.
Do not alter the system or add other devices to it.
Doing so may damage the system and make your
vehicle inoperable.
Models with power tailgate
* Not available on all models
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280
uuAudio System uAudio System Theft Protection
Features
Audio System Theft Protection
The audio system is disabled when it is disconnected from the power source, such as
when the battery is disconnected or goes dead. In certain conditions, the system
may display a code entry screen. If this occurs, reactivate the audio system.
■Reactivating the audio system
1. Set the power mode to ON.
2. Turn on the audio system.
3. Press and hold the audio system power knob for more than two seconds.
u The audio system is reac tivated when the audio co ntrol unit establishes a
connection with the vehicle control unit. If the control unit fails to recognize
the audio unit, you must go to a dealer and have the audio unit checked.
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640
Driving
Braking
Brake System
Use the parking brake to keep the vehicl e stationary when parked. When the
parking brake is applied, you can ma nually or automatically release it.
■To apply
The electric parking brake can be applied any
time the vehicle has battery, no matter which
position the power mode is in.
Press the electric parking brake switch gently
and securely. u The parking brake and brake system
indicator comes on.
■Parking Brake1Brake System
When you depress the brak e pedal, you may hear a
whirling sound from the engine compartment. This is
because the brake system is in operation, and it is
normal.
1 Parking Brake
You may hear the electric parking brake system
motor operating from the re ar wheel area when you
apply or release the parking brake. This is normal.
The brake pedal may slightly move due to the electric
parking brake system opera tion when you apply or
release the parking br ake. This is normal.
You cannot apply or release the parking brake if the
battery goes dead.
2 If the Battery Is Dead P. 737
If you press and hold the electric parking brake
switch while driving the brakes on all four
wheels are applied by the VSA ® system until the
vehicle comes to a stop. The electric parking
brake then applies, and the switch should be
released.
Electric Parking Brake Switch
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708
Maintenance
Battery
Checking the Battery
The condition of the battery is monitored by a
sensor located on the negative terminal of the
battery. If there is a problem with this sensor,
the driver information interface will display a
warning message. If this happens, have your
vehicle inspected by a dealer.
Check the battery te rminals for corrosion
monthly.
To access the battery terminals:
1. Remove the engine compartment cover.
2 Engine Compartment Cover P. 677
2.Remove the clips using a Phillips-head
screwdriver, then remove the air intake
duct.
If your vehicle’s battery is disconnected or goes dead:
• The audio system is disabled.
2 Reactivating the audio system P. 280
•The clock resets.
2 Clock P. 154
•
The immobilizer system needs to be reset.
2 Immobilizer System Indicator P. 98
1Battery
WARNING: Battery post, terminals,
and related accessories contain lead
and lead compounds.
Wash your hands after handling.
When you find corrosion, cl ean the battery terminals
by applying a baking powder and water solution.
Clean the terminals with a damp towel. Cloth/towel
dry the battery. Coat the terminals with grease to
help prevent future corrosion.
When replacing the battery, the replacement must be
of the same specifications.
Consult a dealer for more information.
3WARNING
The battery gives off explosive hydrogen
gas during normal operation.
A spark or flame can cause the battery to
explode with enough force to kill or
seriously hurt you.
When conducting any battery
maintenance, wear prot ective clothing and
a face shield, or have a skilled technician do
it.
Clip
Air Intake Duct
Canadian models only
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723
Handling the Unexpected
This chapter explains how to handle unexpected troubles.
ToolsTypes of Tools .................................. 724
If a Tire Goes Flat Changing a Flat Tire ......................... 725
Engine Does Not Start Checking the Engine ........................ 734
If the Remote Battery is Weak .......... 735
Emergency Engine Stop ................... 736
If the Battery Is Dead ....................... 737
Overheating How to Handle Overheating ............. 739
Indicator, Coming On/Blinking
If the Low Oil Pressure Symbol Appears... 741
If the Charging System Indicator Comes
On ................................................. 742
If the Malfunction Indicator Lamp Comes On or Blinks ................................... 742
If the Brake System Indicator (Red) Comes
On or Blinks ................................... 743
If the Brake System Indicator (Red) Comes On or Blinks at the Same Time When the Brake
System Indicator (Amber) Comes On ..... 744
If the Electric Power Steering (EPS) System Indicator Comes On ....................... 745
If the Low Tire Pressure/TPMS Indicator Comes On or Blinks........................ 745 If the Transmission System Indicator Blinks
along with the Warning Message... 746
Fuses Fuse Locations ................................. 747
Inspecting and Changing Fuses ........ 753
Emergency Towing ........................... 754
If You Cannot Unlock the Fuel Fill Door ... 755
If You Cannot Open the Tailgate .... 756
When You Cannot Close the Power Sliding Doors*................................. 758
Refueling
Refueling From a Portable Fuel Container .... 759
* Not available on all models
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